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AP3125L

Diodes
Part Number AP3125L
Manufacturer Diodes
Description GREEN MODE PWM CONTROLLER
Published Jun 26, 2015
Detailed Description NEW PRODUCT Description A Product Line of Diodes Incorporated AP3125A/V/L/R GREEN MODE PWM CONTROLLER Pin Assignments ...
Datasheet PDF File AP3125L PDF File

AP3125L
AP3125L

Overview
NEW PRODUCT Description A Product Line of Diodes Incorporated AP3125A/V/L/R GREEN MODE PWM CONTROLLER Pin Assignments The AP3125A/V/L/R is a current mode PWM controller which is optimized for high performance, low standby power and cost effective offline flyback converters.
The PWM switching frequency at normal operation is internally fixed (about 65kHz).
In middle load, the IC will enter green mode to improve system efficiency with the help of frequency foldback.
A minimum switching frequency (about 20kHz) is set to avoid the audible noise.
In no load or light load, the IC will enter the burst mode to minimize standby power.
Furthermore, the frequency dithering function is built-in to reduce EMI emission.
Internal slope compensation allows more stable Peak-Current Mode control over wide range of input voltage and load conditions.
Internal line compensation ensures constant output power limit over entire universal line voltage range.
Comprehensive protection features are included, such as cycle-bycycle current limit (OCP), VCC Over Voltage Protection (VOVP), internal OTP, Over Load Protection (OLP) and pins’ fault protection.
The versatile latch functions can be implemented using a minimal number of external components.
(Top View) Pin 1 Mark GND 1 FB 2 CTRL 3 6 GATE 5 VCC 4 SENSE SOT26 Features  Very Low Start-up Current  Current Mode Control  Non-audible-noise Green-mode Control  Internal Slope Compensation  Soft Start During Startup Process  Frequency Fold Back for High Average Efficiency  Secondary Winding Short Protection with FOCP  Soft Switching for Reducing EMI  VCC Maintain Mode  Useful Pin Fault Protection: SENSE Pin Floating CTRL Pin Short to Ground FB/Opto-coupler Open/Short  Comprehensive System Protection Feature: VCC Over Voltage Protection (VOVP) Over Load Protection (OLP)  Optional Latch Mode for VOVP, OLP and CTRL Pin Protection  Mini Size Package of SOT26  Pin to Pin Compatible with AP3105NA/NV/NL/NR  Totally Lead-free & Full...


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